421335281004 has 24 divisors (see below), whose sum is σ = 1072489806528. Its totient is φ = 127677357840.

The previous prime is 421335280967. The next prime is 421335281047. The reversal of 421335281004 is 400182533124.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1595966842 + ... + 1595967105.

It is an arithmetic number, because the mean of its divisors is an integer number (44687075272).

Almost surely, 2^421335281004 is an apocalyptic number.

421335281004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421335281004 is an abundant number, since it is smaller than the sum of its proper divisors (651154525524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421335281004 is a wasteful number, since it uses less digits than its factorization.

421335281004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191933965 (or 3191933963 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 421335281004 in words is "four hundred twenty-one billion, three hundred thirty-five million, two hundred eighty-one thousand, four".